Microsoft Copilot is an AI-powered assistant designed to enhance productivity and creativity across various Microsoft platforms. It integrates large language models with user data to provide real-time intelligent assistance in Microsoft 365 applications, helping users with tasks such as writing, designing, and data analysis. Copilot aims to make work more efficient and enjoyable while ensuring data protection at an enterprise scale. It serves as a personal AI companion for everyday tasks, offering advice and straightforward answers to improve user confidence and skills.